Obtain all CMSes from RELEASED `IProcessModelVersion`.

LoadAllReachableCmsesCommand.java

class LoadAllReachableCmsesCommand implements Callable<Set<IContentManagementSystem>> {

    @Override
    public Set<IContentManagementSystem> call() throws Exception {
        Set<IContentManagementSystem> cmses = new HashSet<>();
        for (IProcessModelVersion pmv : allReachablePmvs()) {
			IContentManagementSystem cms = Ivy.cms()
			        .getContentManagement().findCms(pmv);
			if (cms != null) {
			    cmses.add(cms);
			}
		}
        return cmses;
	}
	
	private List<IProcessModelVersion> allReachablePmvs() {
		List<IProcessModelVersion> pmvs = new ArrayList<>();
		for (IProcessModel pm : Ivy.wf().getApplication().getProcessModels()) {
		    IProcessModelVersion releasedPmv = pm.getReleasedProcessModelVersion();
		    if (releasedPmv != null) {
		        pmvs.add(releasedPmv);
		    }
		}
		return pmvs;
	}
}